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Intake
grille
Mounting
shaft
Bearing
Front panel
Front panel removal.
(1) Remove intake grille (Refer to the item of intake grille removal.)
(2) Remove 6 screws.
(3) Push the [▲] part on the lower part of the body upwards with your thumb of both
hands to detach the 2 hooks, and then pull the front panel forward to remove it.
Screws (6 position)
(4) The front panel is pulled to the front, raising the upper surface, and a front panel is
removed.
Piping work can be made easier by laying out, shaping, and temporarily fastening the
connection pipe and connection cable beforehand.
• Open the control box cover.
• Open the switch cover.
En-11
Intake
grille
Knob
Front panel
Push
Wall hook
bracket
[▲] mark
Push
Front panel
Open
Switch cover
Rotary switch
Example: "0"
Use an insulated screwdriver to set the dip switches.
Be careful not to make mistakes for switch settings.
(1) Indoor unit address
Rotary switch (IU AD × 1)....Factory setting "0"
Rotary switch (IU AD × 10)....Factory setting "0"
When connecting multiple indoor units to 1 refrigerant system, set the address at IU
AD SW as shown in the Table A
(2) Refrigerant circuit address
Rotary switch (REF AD × 1)....Factory setting "0"
Rotary switch (REF AD × 10)....Factory setting "0"
In the case of multiple refrigerant systems, set REF AD SW as shown in the Table A
for each refrigerant system.
Set to the same refrigerant circuit address as the outdoor unit.
Setting
Setting range
Indoor unit
0 to 63
address
Refrigerant
0 to 99
circuit address
Table A
Address
Rotary Switch Setting
REF AD SW
Refrigerant circuit
× 10
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
1
11
1
12
1
.
.
.
.
.
.
99
9
Do no t set the indoor unit address (IU AD SW) at 64 to 99. It may result in failure .
(3) Remote controller address
i) 3-wire type
Rotary switch (RC AD SW)....Factory setting "0"
When connecting multiple indoor units to 1 standard wired remote controller, set the
address at RC AD SW in sequence from 0.
Rotary switch Ex-
ample: "0"
CAUTION
Type of switch
Setting
example
2
IU AD × 10
Setting
example
63
REF AD × 10
Address
Rotary Switch Setting
IU AD SW
Indoor unit
× 1
× 10
0
0
0
1
1
0
2
2
0
3
3
0
4
4
0
5
5
0
6
6
0
7
7
0
8
8
0
9
9
0
0
10
1
1
11
1
2
12
1
.
.
.
.
.
.
.
.
.
9
63
6
IU AD × 1
REF AD × 1
× 1
0
1
2
3
4
5
6
7
8
9
0
1
2
.
.
.
3
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